Plain Puzzle

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enCR25
chlorofluorocarbon : the chemical that causes ozone depletion
ozone layer : a layer in the atmosphere that blocks UV rays
pollution : the contamination of air, water, or soil by substances that are harmful to living organisms
acid rain : a harmful phenomenon caused by SO2 and NO2 in the air
pollutants : substance or condition that contaminates air, water or soil
anthropogenic : also called man-made pollutants
hydrogen : pH means power of ________
aquatic : a term relating to water
troposphere : the region of the atmosphere wherein most of the weather changes occur
wetlands : flooded areas in which the water is shallow enough to enable growth of bottom-rooted plants
ammonia : a colorless gas with a very sharp odor
pressure : the force exerted on or against an object by something in contact with it
global warming : a gradual increase in the overall temperature of the earth's atmosphere
combustion : the major producer of pollutants
stratosphere : the region of the atmosphere above the troposphere and below the mesosphere
dielectric : a substance or medium that can sustain a static electric field within it
polarity : refers to a separation of electric charge
oxygen : a highly reactive nonmetallic element
estuaries : arms of the ocean into which streams flow
mesosphere : the region of the atmosphere above the stratosphere and below the thermosphere
greenhouse effect : the trapping of the sun's warmth in a planet's lower atmosphere
filter : removes 99% of particulates but not gaseous pollutants
atmosphere : the envelope of gases surrounding the earth
thermosphere : the region of the atmosphere that extends to outer space
salinity : the saltiness or dissolved salt content of a body of water

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Across:

1.

refers to a separation of electric charge

5.

the major producer of pollutants

7.

removes 99% of particulates but not gaseous pollutants

8.

a term relating to water

14.

a layer in the atmosphere that blocks UV rays

17.

the trapping of the sun's warmth in a planet's lower atmosphere

21.

the force exerted on or against an object by something in contact with it

22.

the saltiness or dissolved salt content of a body of water

23.

a substance or medium that can sustain a static electric field within it

24.

arms of the ocean into which streams flow

Down:

1.

the contamination of air, water, or soil by substances that are harmful to living organisms

2.

a colorless gas with a very sharp odor

3.

the region of the atmosphere wherein most of the weather changes occur

4.

flooded areas in which the water is shallow enough to enable growth of bottom-rooted plants

6.

a gradual increase in the overall temperature of the earth's atmosphere

9.

also called man-made pollutants

10.

a harmful phenomenon caused by SO2 and NO2 in the air

11.

the region of the atmosphere that extends to outer space

12.

the chemical that causes ozone depletion

13.

the envelope of gases surrounding the earth

15.

the region of the atmosphere above the stratosphere and below the thermosphere

16.

the region of the atmosphere above the troposphere and below the mesosphere